<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>Document</title>
	<style type="text/css">
		.box{
			width: 300px;
			height: 150px;
			background: pink;
			padding: 75px 100px;

		}
		.smallbox{
			width:300px;
			height: 150px;
			background: red;
		}
	</style>
</head>
<body>
	<div class="box">
		<div class="smallbox"></div>
	</div>
</body>
</html>